You have to know the density of the liquid if the mass flow rate is available instead of the volume flow rate. If any of these two are missing, then you should Sure about flow velocity and volume/mass flow rate. This calculator has an almost limitless application, but some functionalities are dependent on severalĪs mentioned above, pipe diameter calculation with this calculator is not possible if you are not In the closed pipe, without added or subtracted flow, if the flow is notĬhanging in time and a few other conditions. The mass conservation law is applicable only if the stream is The calculator uses the mass conservation lawįor computation of volume flow rates for this two conditions, meaning that mass flow is constant,ĭespite that conditions, like pressure and temperature are changing. Predefined conditions to actual conditions and vice versa. With this calculator, you can convert volume flow rate from standard or some other Volume flow rate of the perfect gas is different at these two conditions. The real pressure and temperature in the pipeline is p=30 psi and t=70 F). Some ideal gas at some predefined pressure and temperature (like at normalĬonditions p=101325 Pa and T=273.15 K), you can calculate actual volume flow rateįor pressure and temperature that is actually in the pipe (for example, For example, if you know volume flow rate of If flowing fluid is perfect gas, you can calculate volume flow rate of that gas atĭifferent pressures and temperatures. On specific pressure or specific temperature in the pipe, like after pressure reducing valves.
(pressures and temperatures) is possible, so you can quickly calculate the volume flow rate The flow rate used in calculator can be mass or volume flow rate.Ĭonversion between mass and volume flow rate is available for given fluid density.Īlso, for perfect gases, volume flow rate conversion for different flow conditions As velocity is different on different places of pipeĬross-section area, flow mean velocity is computed based on the You can calculate flow velocity for the given fluid flow rateĪnd internal pipe diameter. Other values, besides internal pipe diameter, can be calculated as well. To calculate internal pipe diameter, you should only enter flow rate and velocity inĬorresponding fields in the calculator and click calculate button to get results. The simple relation between flow rate, velocity and cross-section area (Q=v♺). With pipe diameter calculator pipe internal diameter is calculated using You can use pressure drop calculator when the pressure differenceīetween the start and the end of the pipeline (head loss) is available as a known value. It the flow velocity is unknown then you have to use theĬalculator to calculate pipe diameter. If the system that you are analyzing has more than one pipe, you can useįor a calculation of the pipe diameter with this calculator, you should know and enter the flow velocity. In a closed, round, rectangle (online calculator version only) and filled pipes with liquid or perfect gas. You can use pipe diameter and flow rate calculator for quick pipe diameter calculation
#ABSOLUTE MAX AND MIN CALCULATOR FULL#
Select pipe shape round pipe full cross section fluid flow rectangular duct for rectangle channels and full cross section flowĬalculation of pipe diameter with the pipe diameter calculator is easy. Enables selection between density and temperature to input. Available only if the gas is selected fluid ρ fluid density T temperature Select fluid type liquid for incompressible fluids gas for fluids where ideal gas state equation is used. The other one will be calculated q volumetric flow rate ṁ mass flow rate Select value to input.
D pipe diameter V flow velocity Select value to input.
Description q - volumetric flow rate Fluid flow rate in terms of units of volume per unit of time ṁ - mass flow rate Fluid flow rate in terms of units of mass per unit of time D - pipe diameter Internal circular pipe diameter V - velocity Flow velocity in terms of units of distance per unit of time A - area Internal pipe cross section area ρ - fluid density Mass per unit of volume T - temperature Fluid temperature for gas density calculation based on the ideal gas state equation p - pressure Fluid pressure at the start of the pipe for gas density calculation based on the ideal gas state equation R - gas constant Gas constant in terms of energy per unit of mass and temperature, for gas density calculation using ideal gas state equation Calculation setup Select value to calculate.
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